AWS-5-20ER71T5,AWS-5-20 ER71T5

AWS-5-20ER71T5,AWS-5-20 ER71T5 Q235GJ-C U32355 Q235GJ-D U32356 Q235GJ-E U32357 Q345GJ-B L13464 Q345GJ-C L13465 Q345GJ-D L13466 Q345GJ-E L13467 Q390GJ-C L13909 Q390GJ-D L13899 Q390GJ-E L13889 Q420GJ-C L14209 Q420GJ-D L14199 Q420GJ-E L14189 Q460GJ-C L14609 Q460GJ-D Q460GJ-E L14599 L14589 S175 S210 S245 S290 S320 S360 S390 S415 U31753 U31754 U32103 U32453 强度、淬透性高，韧性好，淬火时变形小，高温时有高的蠕变强度和持久强度